Scientists at Chicago's Field Museum and international collaborators have reconstructed the phylogeny and biological history for the Yellow-shouldered bats in the New World tropics, the region of the Earth surrounding the equator.

Whether or not early humans and Neanderthals interbred has been the subject of much debate in scientific circles for a long time. Thanks to a new genomic analysis method from the University of Edinburgh, technical objections to that idea have been overcome.

More than 20 percent of the Neanderthal genome survives in modern human populations, and that individuals currently living outside of Africa are composed of between one and four percent Neanderthal DNA, according to a pair of new research papers published on Wednesday.

Professor Martin Richards, of the Archaeogenetics Research Group at the University of Huddersfield, has published a paper uncovering new information about how Ashkenazi Jewish men moved into Europe from the Middle East, and their marriage practices with European women.

A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.